Tetracycline chelates with______________?

Related Mcqs:

1. Which one of the following antibiotics chelates with calcium ?

   A. pencillin
   B. Tetracycline
   C. Cephalosporins
   D. Erythromycin

2. Tetracycline is contraindicated in_____________?

   A. Children
   B. Pregnancy
   C. Renal failure
   D. All of the above

3. The bacterial resistance to tetracycline is due to___________?

   A. Alteration of drug binding sites
   B. Alteration of dehydrofolate reductase
   C. Inactivation of drug by enzymes
   D. Decreased uptake of drug by bacteria

4. Tetracycline is more preferred in periodontics because______________?

   A. It is broad spectrum antibiotic
   B. It has anticollagenolytic effect
   C. All of the above
   D. None of the above

5. Tetracycline in children causes____________?

   A. Calcification
   B. Missing teeth
   C. Discolored teeth
   D. Peg teeth

6. Which of the following is a characteristic of tetracycline stains ?

   A. There is less deposition in dentine as compared to enamel
   B. Is always accompanied by hypolastic defects
   C. Stains are dark brown in color
   D. Stained teeth fluoresce light yellow under U.V light

7. Tetracycline when given to pregnant woman can cause_______________?

   A. Acute hepatic necrosis
   B. Discoloration/ staining of hard structures of foetus
   C. Increased intracranial pressure in infant
   D. All of the above

8. Colour of teeth stained by tetracycline appear _________ under UV light?

   A. Red
   B. Green
   C. Yellow
   D. Brown

9. Tetracycline acts on______________?

   A. 30S ribosomes
   B. 50S ribosomes
   C. Cell membrane
   D. Inhibiting DNA gyrase

10. Kalu, a 6- years – old child, received tetracycline. Noticeable discoloration will be seen in______________?

    A. Premolars, incisors and 1st molars
    B. Canine and 2nd molars
    C. Canines, premolars and2^nd molars
    D. Incisors and 1st molars